Hyundai Sonata: Engine coolant - MaintenanceHyundai Sonata: Engine coolant

The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season, and before traveling to a colder climate.

Changing the engine oil and filter
Have engine oil and filter changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this section. CALIFORNIA PROPOSITION 65 WARNING Engine oil contains ...

Checking the coolant level
WARNING Removing radiator cap Never attempt to remove the radiator cap while the engine is operating or hot. Doing so might lead to cooling system and engine damage and could result in se ...

See also:

Automatic Transaxle. Repair procedures
Removal 1. Remove the following items; A. Air duct (A) and engine cover (B). (Refer to "Intake and Exhaust system" in EM group. ...

Coolant. Repair procedures
Refilling And Bleeding Never remove the radiator cap when the engine is hot. Serious scalding could be caused by hot fluid und ...

Additional safety precautions
Never let passengers ride in the cargo area or on top of a foldeddown back seat. All occupants should sit upright, fully back in their seats with their seat belts on and their feet on the flo ...